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Engine Cooling & Environment

Engine Cooling & Environment

3 days
This course is not scheduled.
Who should attend?


    • Engineers and technical staff from engine design and testing involved in thermal behavior and energy management, including cooling system designers.


  • Advanced
  • This course provides a deeper knowledge and competencies on engine thermal behavior and the vehicle energy management through “external” cooling systems.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • know the main associated stakes,
  • implement a new engine in a new vehicle,
  • quickly size the cooling system and suggest the required trade-offs.
Course Content

Engine cooling & external circuits

0.4 day

  • Engine cooling requirements, cooling systems types, convection air system, induced air system, liquid system.
  • Engine heat balance, thermal power to be evacuated.
  • Automotive liquid cooling circuit architectures, engine internal component (water pump, thermostat), external components (exchangers, fans, …), split-cooling, coolant, non-automotive applications.

Impact on vehicle - How do the internal components work?

0.4 day

  • Cooling air circuit: air inlet, electric fan.
  • Coolant circuit: main radiator, engine oil cooler, transmission oil cooler, EGR cooler, passenger compartment heater core, charge air cooler, expansion tank, degassing tank.

Control & driving - Approach to energy management

0.5 day

  • Control parameters: temperature, pressure, flow.
  • Control units, sensors: thermostat, thermal switch.
  • Control units, actuators: driven thermostat, motorized shutters, multi-ways valves.

Thermomanagement - Thermal & energy management

0.5 day

  • Objectives of thermal management.
  • Different ways for thermal management: electric water pump, split-cooling, multiways valves, multi temperature loops, multi-fluids loops.
  • Management of the passenger cab thermal comfort/fuel economy/emissions/reliability trade-off: emissions constraints, fuel economy constraints.
  • Strategies for thermal recovery: storage, exhaust calories recovery with a Rankine cycle, exhaust calories recovery with thermo-electricity.

Thermal & energy management of hybrid & electric vehicles

0.5 day

  • Objectives of the thermal management.
  • Passenger cab thermal management: use conditions, critical conditions, impact on fuel economy, solutions.
  • Thermal management of electric components: objectives, solutions for thermal/electric hybrids, solutions for full electric vehicles.

Under hood thermics

0.5 day

  • Identification of heat sources, impact of exhaust gas after-treatment systems.
  • Temperatures, hot air flow, components protection through thermal barrier, convective cooling or liquid cooling. Passenger cab thermal insulation.

Simulation exercises

0.5 day

  • Application of the above chapters.
  • Sizing of the main cooling system components.
  • Simulation of the most severe in-use situations (max speed, hill climbing with trailer, zero flow) with GT Power software.
  • Choice of thermal strategy and components selection.
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Ways & Means
  • This training uses simple exercises of cooling system sizing, giving orders of magnitude.
  • Clear progression from simple cooling loop up to very complex thermal management of hybrid electric vehicles.
  • In parallel many components, new, used or faulty will be circulated.
  • The last 0.5-day is dedicated to simulation of various in-use situations.